Marin Optometric Group, Inc
NPI 1437632429 · Optometrist · San Rafael, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marin Optometric Group, Inc is a Optometrist organization in San Rafael, CA (NPI 1437632429).
Provider details
- NPI number
- 1437632429
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Darwin Tsang, President(510) 331-2875
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-09-14
- Last updated
- 2018-09-14
Frequently asked questions
- What is Marin Optometric Group, Inc's NPI number?
- Marin Optometric Group, Inc's National Provider Identifier (NPI) is 1437632429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marin Optometric Group, Inc?
- Marin Optometric Group, Inc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Marin Optometric Group, Inc located?
- Marin Optometric Group, Inc's practice location on file with NPPES is 1001 Grand Ave, San Rafael, CA 94901-3416.
- What is Marin Optometric Group, Inc's phone number?
- The practice phone number listed in the NPPES registry for Marin Optometric Group, Inc is (415) 453-3812.
- Does Marin Optometric Group, Inc accept Medicare?
- Marin Optometric Group, Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Marin Optometric Group, Inc?
- The authorized official listed on Marin Optometric Group, Inc's NPPES record is Darwin Tsang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marin Optometric Group, Inc's NPI active?
- Yes — Marin Optometric Group, Inc's NPI (1437632429) is active in the NPPES registry as of the last update on 2018-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.